libevent: security bump to version 2.0.22

Fixes CVE-2014-6272 - integer overflow bugs in evbuffer_add() and
related functions.

Also file hash file (was stale) and switch to sourceforge for a
stable/proper hash.

Patch 0002-Avoid-using-top_srcdir-in-TESTS.patch is upstream so remove.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libevent/0002-Avoid-using-top_srcdir-in-TESTS.patch

@@ -1,71 +0,0 @@
-From 366165fc19e862d08ff51ee2bbbff253fc234dd1 Mon Sep 17 00:00:00 2001
-From: Nick Mathewson <nickm@torproject.org>
-Date: Fri, 8 Feb 2013 22:10:05 -0500
-Subject: [PATCH 2/2] Avoid using $(top_srcdir) in TESTS.
-
-Newer automakes don't like this.
-
-Signed-off-by: Nick Mathewson <nickm@torproject.org>
-----
-Patch backported from upstream:
-https://github.com/libevent/libevent/commit/2863c837007c9f28ae542663a6098c91e704b3ca.patch
-
-Slight modifications to test/Makefile.am
-
-Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
----
- Makefile.am      |  4 +++-
- test/Makefile.am | 10 +++++++++-
- 2 files changed, 12 insertions(+), 2 deletions(-)
-
-diff --git a/Makefile.am b/Makefile.am
-index dc90359..c34576d 100644
---- a/Makefile.am
-+++ b/Makefile.am
-@@ -128,6 +128,8 @@ endif
- 
- SUBDIRS = . include sample
- 
-+DISTCLEANFILES=
-+
- if BUILD_WIN32
- 
- SYS_LIBS = -lws2_32 -lshell32 -ladvapi32
-@@ -239,5 +241,5 @@ doxygen: FORCE
- 	doxygen $(srcdir)/Doxyfile
- FORCE:
- 
--DISTCLEANFILES = *~ libevent.pc ./include/event2/event-config.h
-+DISTCLEANFILES += *~ libevent.pc ./include/event2/event-config.h
- 
-diff --git a/test/Makefile.am b/test/Makefile.am
-index b10c41a..e2f4f4e 100644
---- a/test/Makefile.am
-+++ b/test/Makefile.am
-@@ -5,6 +5,7 @@
- # See LICENSE for copying information.
- 
- AUTOMAKE_OPTIONS = foreign
-+DISTCLEANFILES=
- 
- AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/compat -I$(top_srcdir)/include -I../include -DTINYTEST_LOCAL
- 
-@@ -19,7 +20,14 @@ endif
- EXTRA_PROGRAMS = regress
- noinst_HEADERS = tinytest.h tinytest_macros.h regress.h tinytest_local.h
- 
--TESTS = $(top_srcdir)/test/test.sh
-+# We need to copy this file, since automake doesn't want us to use top_srcdir
-+# in TESTS.
-+TESTS = test/test-script.sh
-+
-+test/test-script.sh: test/test.sh
-+ cp $< $@
-+
-+DISTCLEANFILES += test/test-script.s
- 
- BUILT_SOURCES =
- if BUILD_REGRESS
--- 
-2.1.1
-

package/libevent/libevent.hash

@@ -1,2 +1,3 @@
-# Locally calculated after checking pgp signature
-sha256	22a530a8a5ba1cb9c080cba033206b17dacd21437762155c6d30ee6469f574f5	libevent-2.0.21-stable.tar.gz
+# From http://sourceforge.net/projects/levent/files/libevent/libevent-2.0/
+md5	c4c56f986aa985677ca1db89630a2e11	libevent-2.0.22-stable.tar.gz
+sha1	a586882bc93a208318c70fc7077ed8fca9862864	libevent-2.0.22-stable.tar.gz

package/libevent/libevent.mk

@@ -4,12 +4,13 @@
 #
 ################################################################################
 
-LIBEVENT_VERSION = release-2.0.21-stable
-LIBEVENT_SITE = $(call github,libevent,libevent,$(LIBEVENT_VERSION))
+LIBEVENT_VERSION_MAJOR = 2.0
+LIBEVENT_VERSION = $(LIBEVENT_VERSION_MAJOR).22-stable
+LIBEVENT_SITE = http://downloads.sourceforge.net/project/levent/libevent/libevent-$(LIBEVENT_VERSION_MAJOR)
 LIBEVENT_INSTALL_STAGING = YES
 LIBEVENT_LICENSE = BSD-3c, OpenBSD
 LIBEVENT_LICENSE_FILES = LICENSE
-# Straight from the repository, need to generate autotools files
+# For 0001-Disable-building-test-programs.patch
 LIBEVENT_AUTORECONF = YES
 
 define LIBEVENT_REMOVE_PYSCRIPT